/**
 * Copyright 2018 人人开源 http://www.renren.io
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package io.renren.modules.oss.service.impl;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import io.renren.common.utils.PageUtils;
import io.renren.common.utils.Query;
import io.renren.modules.oss.cloud.OSSFactory;
import io.renren.modules.oss.dao.SysOssDao;
import io.renren.modules.oss.entity.SysOssEntity;
import io.renren.modules.oss.service.SysOssService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;


@Service("sysOssService")
public class SysOssServiceImpl extends ServiceImpl<SysOssDao, SysOssEntity> implements SysOssService {

	@Override
	public PageUtils queryPage(Map<String, Object> params) {
		Page<SysOssEntity> page = (Page<SysOssEntity>) this.page(
				new Query<SysOssEntity>(params).getPage()
		);

		return new PageUtils(page);
	}

	@Override
	public List<SysOssEntity> queryByUrl(String url) {
		return baseMapper.queryByUrl(url);
	}

	@Override
	public String upload(MultipartFile file) throws Exception {
		//上传文件
		String suffix = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
		String url = OSSFactory.build().uploadSuffix(file.getBytes(), suffix);
		//保存文件信息
		SysOssEntity ossEntity = new SysOssEntity();
		ossEntity.setUrl(url);
		ossEntity.setCreateDate(new Date());
		this.save(ossEntity);
		return url;
	}

	@Override
	public void deleteByUrl(String url) throws Exception {
		List<SysOssEntity> ossEntitys = this.queryByUrl(url);
		if (ossEntitys != null && ossEntitys.size() > 0) {
			Long ids[] = new Long[ossEntitys.size()];
			for (int i = 0; i < ossEntitys.size(); i++ ) {
				ids[i] = ossEntitys.get(i).getId();
			}
			this.removeByIds(Arrays.asList(ids));
		}
		OSSFactory.build().delete(url);
	}

}
